Antiquorum Auctioneers since 1974

Important Modern & Vintage Timepieces

New York, Oct 18, 2026

LOT 29

CHARLES FRODSHAM, UK, MARINE CHRONOMETER, WOOD AND GILDED BRASS

USD 2,000 - 4,000

EUR 1,800 - 3,600 / HKD 15,700 - 31,400 / CHF 1,700 - 3,400 / JPY 316,000 - 640,000

TO BE SOLD WITHOUT RESERVE

A fine and attractive, rosewood and gilt brass, manual wind 56 hour going marine chronometer with power reserve indicator. Three-tier case, brass-bound corners, external drop handles, glazed top missing, upper section with ivory signature plaque, gimbaled brass bowl with locking slide, silvered dial with champlevé radial Roman numerals, outer minute track with Arabic five minute numerals, subsidiary seconds and power reserve indication, blued steel fleur de lys hands, Brass half plate, cut away for the barrel secured under a crescent-shaped bridge, ring-turned pillars with blued steel screws, fusée and chain with Harrison's maintaining power, spring-detent escapement, cut bimetallic compensation balance with peripheral temperature adjustment screws and mean time adjustment nuts, two-armed subsidiary compensation mounted on the balance pivot above the balance and with 2 perpendicular adjustment nuts on long screw threads, blued steel free-sprung helical balance spring with inner and outer terminal curves.


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Grading System
Grade: AA

Very good

Case: 3-12-27

Good

Worn

Custom-made

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 2-6-8-01

Very good

Slightly oxidized

Slightly scratched

HANDS Original

Brand Charles Frodsham, UK

Year circa 1850

Case No. 1754

Caliber brass

Diameter 155 x 155

Signature dial and case